Home / 18,490,936.91-25,518,245.82-10,230,865.41

Finding the Fourth Proportional to 18,490,936.91, 25,518,245.82 and 10,230,865.41

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Solution

The fourth proportional to 18,490,936.91, 25,518,245.82 and 10,230,865.41 is: 14,119,010.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,490,936.91 : 25,518,245.82 = 10,230,865.41 : x
  2. Step 2: Convert to fraction form
    18,490,936.91/25,518,245.82 = 10,230,865.41/x
  3. Step 3: Cross multiply
    18,490,936.91x = 25,518,245.82 × 10,230,865.41
  4. Step 4: Simplify right side
    18,490,936.91x = 261,073,738,598,591.38
  5. Step 5: Solve for x
    x = 261,073,738,598,591.38/18,490,936.91
  6. Step 6: Final answer
    x = 14,119,010.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.